public class Test {
    public static void main(String[] args) {
        Kind kind=new Kind(19);
      //  kind(1,"zhangsan",18);
    }
    public static void main1(String[] args) {
        char[][] board=new char[][]{{'A','B','C','E'},{'S','F','C','S'},{'A','D','E','E'}};
        String word="ABCCED";
        Solution solution=new Solution();
        solution.exist(board,word);
        System.out.println("aa");

    }
}
